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Ciena CIEN

Ciena scores average on business quality (5.8 of 10). Here is why, in plain words, and what our sealed record shows.

Last price$449.77Oct 10, 2026
Business qualityAverage
Next earningsDec 9, 2026, before the open
Insiders, 90 daysSelling

Why it matters

  1. What Ciena does

    Ciena sells network equipment and software, helping telecom carriers and data centers move massive amounts of data across optical fibers. Customers pay for hardware and software to expand bandwidth.

  2. What it does best

    Ciena delivers networking scale with revenue reaching $6.0B. Its gross margin sits at 44.1%, trailing peers like ANET at 63.0%, but its optical transport systems anchor major telecom backbones globally.

  3. The main risk

    AI agents are altering the hardware mix, creating execution risks if Ciena fails to capture the emerging data center networking demand against rivals like ANET and CSCO.

Quality, check by check

Scored against its own industry, from company filings.

ProfitabilityFair

Operating margin stands at 14.1% with an ROE of 22.8%. Profitability remains mixed as scale does not yet match top-tier sector peers.

MoatFair

Switching costs within carrier networks form its moat, though its gross margin sits in the bottom quartile of its sector at 26th percentile.

GrowthFast

Revenue growth hit 18.8%, accelerating from prior years where revenue hovered near $4.0B to $4.8B, driven by stronger demand.

Financial healthFair

Total debt stands at $1.6B against $1.3B in cash, with interest coverage at 10.9x. Free cash flow reached $815M, showing improving financial reality.

Insiders

Executives and directors, from SEC Form 4 filings we read ourselves. Open market trades only; grants, option exercises and pre-planned sales left out.

2 sold $2.4M outside pre-planned sales.

Our sealed record on CIEN

Verdicts appear here 30 days after we publish them; members see today's. Each one is in the nightly ledger, fingerprinted the night it was made.

The first sealed verdicts appear here on Oct 11, 2026.

Questions

Is CIEN a good business?

Ciena scores average on the Cluenex quality check (5.8 of 10), measured against its own industry. Profitability is fair, moat fair, growth fast and financial health fair.

Are insiders buying CIEN?

In the last 90 days of SEC Form 4 filings: 2 sold $2.4M outside pre-planned sales.

When does CIEN report earnings?

Dec 9, 2026, before the open.

For members

See CIEN today

  • Today's verdict on CIEN, and why
  • Fair value with cautious, base and optimistic cases
  • The exact price that would change the verdict
  • Which stocks each signal names, the night it fires
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Cite this page: Cluenex, “Ciena (CIEN)”, https://cluenex.com/stocks/cien/, data as of Oct 10, 2026.